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Disappearing Statues
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In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain.
Bird in the Cage
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In this activity about afterimages, learners explore what happens when receptor cells called cones in your eye's retina get tired.
Endurance: How Many Can You Do in a Row?
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Combine math and exercise with this activity. Learners count how many times in a row they can skip rope or throw and catch a ball.
Scent Tracking
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In this wintertime outdoor activity, learners role play wolves tracking their prey by following scented trails.
Neutralizing Acids and Bases
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Learners use their knowledge of color changes with red cabbage indicator to neutralize an acidic solution with a base and then neutralize a basic solution with an acid.
Rubber Band Racer
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In this activity, learners construct speedy vehicles made out of paper plates and powered by twisted rubber bands.
How Does Water Climb a Tree?
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In this activity, learners conduct an experiment to explore how water flows up from a tree's roots to its leafy crown.
Wash This Way
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In this activity on page 4 of the PDF, learners investigate the importance of washing their hands.
Water: Clearly Unique!
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In this activity on page 4 of the PDF (Water in Our World), learners conduct some quick and easy tests to determine the differences between water and other liquids that look very similar to water.
Experiencing Parallax With Your Thumb
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In this activity, learners investigate parallax, a method used to measure distances to stars and planets in the solar system.
Trip Wire
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In this activity, learners build simple alarms that they can attach to anything, such as a drawer or doorway. This activity introduces learners to electricity, circuits, and currents.
Motor Bird
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In this activity, learners build a bird that flies in place with help from a motor, wire, and some straws.
Paddle Boat
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In this activity, learners build an old-fashioned paddle boat out of simple materials.
Weighty Questions
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In this activity about humans and space travel (page 1 of PDF), learners compare and contrast the behavior of a water-filled plastic bag, both outside and inside of a container of water.
Take a Plant to Lunch
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Learners make a "menu" of any plants in their lunch for Monday through Friday and draw the plants from their lunch.
Crayfish Investigations
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This activity has learners interacting with live crayfish, but could be adapted for a variety of similar hardy and interesting organisms.
Does Size Make a Difference?
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In this activity on page 15 of the PDF, discover how materials and physical forces behave differently at the nanoscale.
Penny Rubbing
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In this art-related activity, learners make a coin rubbing—a process similar to what archeologists may do with ancient artifacts. This activity can be used in connection with a history or art lesson.
Glider
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In this activity, learners construct a paper glider to experiment with aerodynamic forces.
Building Blocks
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In this activity (page 32 of PDF), learners investigate the nutritional needs of healthy bones and muscles.